/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package org.neo4j.graphdb.schema;

import org.neo4j.annotations.api.PublicApi;

/**
 * Constraint type. Used with {@link ConstraintDefinition#getConstraintType()} to see
 * of which type a constraint is.
 */
@PublicApi
public enum ConstraintType {
    UNIQUENESS,
    NODE_PROPERTY_EXISTENCE,
    RELATIONSHIP_PROPERTY_EXISTENCE,
    NODE_KEY,
    RELATIONSHIP_KEY,
    RELATIONSHIP_UNIQUENESS,
    NODE_PROPERTY_TYPE,
    RELATIONSHIP_PROPERTY_TYPE,
    RELATIONSHIP_SOURCE_LABEL,
    RELATIONSHIP_TARGET_LABEL,
    NODE_LABEL_EXISTENCE
}
